Pawel Rembelski

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We present ant colony optimisation approach, enriched with a novel self-adaptation mechanism, applied to solve DIVERSUM Problem that consist of generating a small diversified entity summarisation in a knowledge graph. The recently proposed DIVERSUM problem is viewed in this paper in a novel way as a NP-hard combinatorial optimisation problem. The presented(More)
The aim of the paper is to apply the software tool Perseus to modelling of epistemic interactions. We focus on the issue of agents' knowledge acquisition, using a logical puzzle in which agents increase their knowledge about hats they wear. In the paper, first we present a model of epistemic interactions, which allows to resolve the hats puzzle. Then, the(More)
The deficiency of gamma-glutamyl transpeptidase activity, which was evident in some but not all cystic fibrosis amniotic fluids, could be corrected by mixing with either normal fluids or nondeficient cystic fibrosis fluids. Incubation of any amniotic fluid for 20 min at 62 degrees C resulted in total loss of gamma-glutamyl transpeptidase activity, but the(More)
Previous studies in our laboratory have suggested that measurement of methylumbelliferylguanidinobenzoate (MUGB) reactive proteases in midtrimester amniotic fluid is potentially of value for the intrauterine detection of cystic fibrosis. Thirty-nine pregnancies of obligate heterozygotes of cystic fibrosis and 12 cases where one parent has a sib with cystic(More)